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Old 12-02-2009, 01:21 PM   #1
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babbiekins HB User
CT w/ Contrast Affect Hypo - Dramatic Reaction

Hi:

Just wondering if having a CT with contrast would have any effect on an untreated hypo person - currently almost 3.0 TSH, but untreated - previosly treated - definately thyroid vulnerable.

After I was given the contrast, I felt what I was told I would feel - but I had a way elevated heart rate, started shaking - more like tremor, and started twitching all over. I barely could hang on, then it passed.

I do have some anxiety, but this was way over the top as far as a physical reacition goes. Never experienced this in daily life no matter how anxious I get

Has anyone had similar expereinces? I feel weird about telling my Dr, but I think I should.

 
Old 12-03-2009, 04:41 AM   #2
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sparkie HB User
Re: CT w/ Contrast Affect Hypo - Dramatic Reaction

I just had a CT scan with contrast this week. My last TSH was over 3, I am not being treated. I was a little worried about the iodine contrast as well since I also have low cortisol and was worried about the potential for an allergic reaction. The tech explained what I would feel when the contrast was started. Quite frankly, if she hadn't told me, I probably would not have been aware of anything. I was relieved I had no reaction at all. Interesting though she said I would first feel it in the neck and I felt absolutely nothing. I had the minor feeling of warmth in the bladder which lasted only seconds. My only issues were after when after not eating all day, I had lunch (only soup, clear broth) and shortly into that I began bloating right away. I had major bloating, gas, and diarrhea until the next morning. I had the new clear oral contrast which didn't phase me in the least when I drank it. I think it was more of an issue just getting it out of my system.

It is hard to say if you truly had an allergic reaction. Your reaction ended quickly so I am thinking it wasn't. Let us know how you make out.

 
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Old 12-03-2009, 10:54 AM   #3
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Re: CT w/ Contrast Affect Hypo - Dramatic Reaction

Definately tell your Doctor about it. You had some type of reaction or have a sensitivity to it. Next time could be worse....

I have the same thing with Novacaine at the dentist so they give me one that has no epinepherine in it.

Do not take a chance and let them know how your felt. Oleander

 
Old 12-04-2009, 05:27 AM   #4
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babbiekins HB User
Re: CT w/ Contrast Affect Hypo - Dramatic Reaction

Thanks for your replies.

After I heard about iodine in the dye, I started thinking, this can't be good for one with vulnerable thyroid.

I know it was not all anxiety, becasue the intensity passed after a few minutes, though I was left shaking and feeling badly.

Of course, I had to look it up on the web and found that there is a contra indication in people who have hyperthyroidism as it could precipitate thyrotoxicosis.

Then I also found some literature about the contrast causing some transient hypothyroidism in euthroid people.

I just wonder about the wisdom of drs sometimes.

 
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